<template>
	<view class="cart-container" v-if="cart.length !==0">
	
		<!-- 收获地址组件 -->
		<my-address></my-address>
		<!-- 商品列表的标题区域 -->
		<view class="cart-title">
			<!-- 左侧图标 -->
			<uni-icons type="shop" size="18"></uni-icons>
			<!-- 右侧的文本 -->
			<text class="cart-title-text">购物车</text>
		</view>
		<uni-swipe-actions>
		<!--循环渲染 -->
		<block v-for="(goods,i) in cart":key="i">
			<uni-swipe-action-item :right-options="option" @click="swipeItemClickHandler(goods)" >
			<my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
			</uni-swipe-action-item>
		</block>
		</uni-swipe-actions>
		<my-settle></my-settle>
		
	</view>
	<!-- 空白购物车区域 -->
	<view class="kb-gwc" v-else>
		<image src="/static/cart_empty@2x.png" class="kb-tp"></image>
		<text class="tip-text">空空如也~</text>
	</view>
</template>

<script>
	import badgeMix from'@/mixins/tabbar-badge.js'
	
	import {mapState,mapMutations} from 'vuex';
	export default {
		mixins:[badgeMix],
		computed:{
			...mapState('m_cart',['cart']),
		},
		data() {
			return {
				option:[{
					text:'删除',
					style:{
						backgroundColor: '#c00000'
					}
				}]
			};
		},			
		methods:{
			...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
			// 商品的勾选状态发生了变化
			radioChangeHandler(e){
				// console.log(e)
				this.updateGoodsState(e)
				
				
			},
			// 商品的数量发生了变化
			numberChangeHandler(e){
				// console.log(e)
				this.updateGoodsCount(e)
			},
			swipeItemClickHandler(goods){
				this.removeGoodsById(goods.goods_id)
			}
		}
		
	}
</script>

<style>
	.cart-container{
		padding-bottom: 50px;
	}
.cart-title{
	height: 40px;
	display: flex;
	align-items: center;
	margin-left: 5px;
	border-bottom: 1px solid #EFEFEF;
}
.cart-title-text{
	font-size: 14px;
	margin-left: 10px;
}
.kb-gwc{
	display: flex;
	flex-direction: column;
	align-items: center;
	padding-top: 150px;
	
	
}
.kb-tp{
	width: 90px;
	height: 90px;
}
.tip-text{
	font-size:12px;
	color: gray;
	margin-top: 15px;
}
</style>
